SINCLAIR's CLAMP015B pipe to angled tower member clamp. Holds 1.5 in – 3.5 in OD pipe to 2 – 4 in 60 deg. angle tower leg. Single piece. This listing is for Each. Minimum Mounting Diameter 1-1/2 in Description Holds 1.5 to 3.5 OD pipe to a 2 to 4 60 degree angled tower leg. Single piece. Two or more required for most applications. Maximum Mounting Diameter 3-1/2 in Qty/ Uom 1 Each